Consolidated Condensed Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Income Statement [Abstract]
Net sales	$ 560,960	$ 541,857	$ 968,232	$ 915,883
Cost of sales	266,586	259,267	459,828	444,368
Gross profit	294,374	282,590	508,404	471,515
Operating expenses
Research and development	110,021	112,925	212,913	218,288
Selling, general and administrative	39,589	37,813	78,333	74,583
Total operating expenses	149,610	150,738	291,246	292,871
Income from operations	144,764	131,852	217,158	178,644
Interest income	8,938	8,378	17,779	16,798
Interest expense	(243)	(244)	(462)	(462)
Other income (expense)	(63)	19	(451)	1,628
Income before income taxes	153,396	140,005	234,024	196,608
Provision for income taxes	21,800	37,865	41,731	52,373
Net income	$ 131,596	$ 102,140	$ 192,293	$ 144,235
Basic earnings per share (in dollars per share)	$ 2.57	$ 1.92	$ 3.74	$ 2.70
Diluted earnings per share (in dollars per share)	$ 2.48	$ 1.83	$ 3.61	$ 2.59
Basic weighted average common shares outstanding (in shares)	51,175	53,275	51,451	53,354
Diluted weighted average common shares outstanding (in shares)	53,054	55,800	53,195	55,753